One Anastomosis Gastric Bypass (OAGB) surgery is a type of bariatric surgery (BS) which is gaining popularity worldwide and is considered to be a simple, safe and effective bariatric procedure in terms of weight loss and comorbidities resolution. However, only limited data exists on the nutritional and gastrointestinal (GI) consequences of this procedure. This study aimed to gain information on GI and nutritional parameters from a large sample of OAGB patients living in 3 different countries. Post-OAGB patients across Israel (n=277), Spain (n=105) and Portugal (n=111) were recruited to the study based on the time elapsed since surgery \[1-6 months (1-6M), 6-12 months (6-12M) and 1-5 years (1-5Y) post-surgery\]. Participants were asked to complete an anonymous survey delivered by SurveyMonkey®️ software which included data on demographics, comorbidities, anthropometrics, GI outcomes and satisfaction with the procedure.
Study Type
OBSERVATIONAL
Enrollment
493
Exposure to One Anastomosis Gastric Bypass
Assuta Medical Center
Tel Aviv, Israel
Self-reported anthropometric outcomes
Measured by weight changes
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
A. Self-reported lifestyle outcomes
Measured by satisfaction and quality of life scales (scale of 0-100)
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
B. Self-reported lifestyle outcomes
Measured by attendance to follow-up regime (no. of meetings)
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
C.Self-reported lifestyle outcomes
Measured by adherence to the bariatric surgery health recommendations \[physical activity (min/week), alcohol drinking (doses/day), smoking (current/past/never) and supplementation usage (non/monthly/weekly/daily)\]
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
A. Self-reported nutritional outcomes
Measured by adherence to the bariatric surgery eating recommendations questionnaire (0=no, 1=partial, 2=yes)
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
B. Self-reported nutritional outcomes
Measured by taste change, smell change and food aversion questionnaire (yes/no/open text for additional information)
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
C. Self-reported nutritional outcomes
Measured by self-reported questionnaire for quick assessment of food tolerance after bariatric surgery (scored between 1-27, while higher scores represents better tolerance)
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
A. Self-reported GI outcomes
Measured by no. defecations per day and defecations texture
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
B. Self-reported GI outcomes
Measured by severity of dyspepsia symptoms scale (4-point graded scale -0 represents absence of symptoms and 3 represents severe symptoms which interfere to perform normal activities)
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
C. Self-reported GI outcomes
Measured by Gastrointestinal Symptom Rating Scale (GSRS) (scored 15-105, while higher scores represents more severe symptoms)
Time frame: Only once in accordance to the time group (1-6 months, 6-12 months and 1-5 years post-surgery).
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